html,body{
  height: 100%;
}

*{
  margin: 0;
  padding: 0;
}
ul,ol{
  list-style: none;
  margin: 0;
  padding: 0;
}
.le_container{
  width: 100%;
  height: 100%;
  max-width: 640px;
  min-width: 320px;
  background-color: #fff;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  padding-top: 45px;
  padding-bottom: 55px;
}

.header{
  width: 100%;
  height: 45px;
  background-color: #006699;
  position: absolute;
  top: 0;

  .icon_left,
  .icon_right{
    display: block;
    width: 45px;
    height: 45px;
   position: absolute;
   top: 0;
   text-align: center;
   line-height: 45px;
   color: #FFF;
   

  }
  .icon_left{
    left:0;
  }
  .icon_right{
    right: 0;
  }
  h4{
    text-align: center;
    line-height: 45px;
    font-weight: 400;
    color: #fff;
    margin: 0;
  }

}

.footer{
  width: 100%;
  height: 55px;
  background-color: #006699;
  position: absolute;
  bottom: 0;

  li{
    width: 25%;
    height: 55px;
    float: left;
    text-align: center;
    padding-top: 10px;
    &.active a{
      color: darkorange;
    }
    &.active p{
      color: darkorange;
    }
    a{
      color: #FFF;
    }
    p{
      color: #FFF;
    }
  }

}

.main{
  width: 100%;
  height: 100%;
  // background-color: red;
    /*可以保证，所有的内容全部都是在main内部*/
    overflow: hidden;
    position: relative;
}

